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    Question

    If 71% of the first number is equal to two-ninths of the

    second number, what is the ratio of the first number to the second number?  
    A 200 : 639 Correct Answer Incorrect Answer
    B 198 : 642 Correct Answer Incorrect Answer
    C 203 : 641 Correct Answer Incorrect Answer
    D 204 : 638 Correct Answer Incorrect Answer

    Solution

    71% of the first number = 2/9 of the second number Let:

    • First number = x
    • Second number = y
    Then the condition becomes: [ 0.71x = 2/9y ] [ x = 2/(9 * 0.71) y ] x = 2/6.39 y x/y = 2/6.39 = 200/639

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